ptarray_has_orientation()

int ptarray_has_orientation	(	const POINTARRAY *	pa,
		int	orientation
	)

Definition at line 1174 of file ptarray.c.

{
        if (ptarray_signed_area(pa) > 0)
                return orientation == LW_CLOCKWISE;
        else
                return orientation == LW_COUNTERCLOCKWISE;
}

References LW_CLOCKWISE, LW_COUNTERCLOCKWISE, and ptarray_signed_area().

Referenced by lwpoly_force_orientation(), lwpoly_has_orientation(), lwtriangle_has_orientation(), and ptarray_isccw().

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